.introduce {
  padding: 0 35rpx;
  padding-top: 35rpx;

  .title_box {
    display: flex;
    font-size: 30rpx;
    justify-content: space-between;
    color: #D4A04A;

    .title {
      color: #000000;
      margin-bottom: 30rpx;
      margin-left: 30rpx;
    }
  }

  .info {
    font-size: 22rpx;
    padding: 50rpx 40rpx;
    background-color: #D8E9E3;
    border-radius: 20rpx;
    margin-bottom: 60rpx;
    line-height: 40rpx;

    .info_content {
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 5;
      -webkit-box-orient: vertical;
      text-overflow: ell;
    }
  }

  .course_info_box_student {
    margin-bottom: 30rpx;
  }

  .course_info_box {
    padding: 50rpx 40rpx;
    border-radius: 20rpx;
    box-shadow: 0rpx 0rpx 10rpx rgba(0, 0, 0, 0.3);
    margin-top: 20rpx;

    .course_info_item {
      font-size: 24rpx;
      padding-bottom: 20rpx;
      padding-top: 20rpx;
      border-bottom: 1rpx solid rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;

      .item_name {
        width: 120rpx;
        font-size: 24rpx;
        text-align: justify;
      }

      .change_student {
        color: #D4A04A;
        font-weight: 900;
      }

      radio .wx-radio-input {
        border-radius: 50%;
        width: 24rpx;
        height: 24rpx;
      }

      &:nth-child(1) {
        padding-top: 0;
      }

      &:nth-last-child(1) {
        // padding-bottom: 0;
        // border-bottom: 0;
      }
    }

    .music_instrument {
      display: flex;
      justify-content: space-between;

      .music_instrument_item {
        flex: 1;
        text-align: center;
      }
    }

    .music_instrument_buy {
      background-color: #D8E9E3;
    }
  }
}

.success {
  background-color: #D4A04A !important;
  border-color: #D4A04A !important;
}

.student_back {
  height: 100vh;
  width: 100vw;
  background-color: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  right: 0;
  z-index: 100;

  .student_box {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    height: 70vh;
    width: 80vw;
    background-color: #fff;
    border-radius: 20rpx;
    padding: 20rpx;
    overflow-y: scroll;

    .close_button {
      position: absolute;
      right: 15rpx;
      top: 0;
    }

    .title {
      text-align: center;
    }

    .title_line {
      margin-top: 20rpx;
      display: flex;
      justify-content: space-between;
      font-size: 33rpx;

      .title_item {
        flex: 1;
        text-align: center;
      }
    }

    .content_line {
      display: flex;
      justify-content: space-between;

      .content_item {
        flex: 1;
        text-align: left;
        text-align: center;
        font-size: 25rpx;
        margin-top: 20rpx;
      }
    }
  }
}